WIFI not working?

Question

WiFi

The problem is this. There is a router with WIFI, three more access points are connected to it via cable. Internet drops intermittently. There are suggestions that they conflict with each other. How to make that three others were in different subnets. And were connected to 1 router? Thank you very much in advance)

Answer 1

Look at the logs - everything is written there.
In general, if you use WDS, then install a controller.
If different SSID and not WDS, then look at the logs.